/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller.account;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.dao.customerDAO;
import model.pojo.Customer;

/**
 *
 * @author DucThien
 */
@WebServlet(name = "registration", urlPatterns = {"/registration"})
public class registration extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, ParseException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if( request.getParameter("check_email") != null ){
                if(checkEmail(request.getParameter("check_email"))){
                    out.print("true");
                }else{
                    out.print("false");
                }
            }else if(request.getParameter("user_name") != null){
                if(addCustomer(request) == 0){
                    out.print("false");
                }else{
                    HttpSession session = request.getSession();
                    session.setAttribute ("user_login",request.getParameter("user_name"));
                    out.print("true");
                }
            }
        } finally {            
            out.close();
        }
    }
    
    public boolean checkEmail(String email){
        customerDAO cDAO = new customerDAO();
        return cDAO.checkEmailExists(email);
    }
    public int addCustomer(HttpServletRequest request) throws ParseException{
        customerDAO cDAO = new customerDAO();
        String username = request.getParameter("user_name");
        String password = cDAO.HashPassword(request.getParameter("pass"));
        String name = request.getParameter("name");
        String identityCard = request.getParameter("identity_card");
        String numberphone = request.getParameter("number_phone");
        String email = request.getParameter("email");
        String address = request.getParameter("address");
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        java.sql.Date sqlDate = new java.sql.Date(formatter.parse(request.getParameter("DOB")).getTime());
        Customer cs = new Customer(username,password,name,identityCard,numberphone,email,address, sqlDate,request.getParameter("field_love"));
        try{
            cDAO.saveOrUpdate(cs);
        }catch(Exception ex){
            return 0;
        }
        return 1;
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(registration.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(registration.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
